/**
 * ***************************************************************************** Copyright (c)
 * 2012-2017 Red Hat, Inc. All rights reserved. This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * <p>Contributors: Red Hat, Inc. - initial API and implementation
 * *****************************************************************************
 */
package org.eclipse.core.internal.resources;

import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;

/** @since 3.1 */
public class PreferenceInitializer extends AbstractPreferenceInitializer {

  // internal preference keys
  public static final String PREF_OPERATIONS_PER_SNAPSHOT = "snapshots.operations"; // $NON-NLS-1$
  public static final String PREF_DELTA_EXPIRATION = "delta.expiration"; // $NON-NLS-1$

  // DEFAULTS
  public static final boolean PREF_AUTO_REFRESH_DEFAULT = false;
  public static final boolean PREF_LIGHTWEIGHT_AUTO_REFRESH_DEFAULT = false;
  public static final boolean PREF_DISABLE_LINKING_DEFAULT = false;
  public static final String PREF_ENCODING_DEFAULT = ""; // $NON-NLS-1$
  public static final boolean PREF_AUTO_BUILDING_DEFAULT = true;
  public static final String PREF_BUILD_ORDER_DEFAULT = ""; // $NON-NLS-1$
  public static final int PREF_MAX_BUILD_ITERATIONS_DEFAULT = 10;
  public static final boolean PREF_DEFAULT_BUILD_ORDER_DEFAULT = true;
  public static final long PREF_SNAPSHOT_INTERVAL_DEFAULT = 5 * 60 * 1000L; // 5 min
  public static final int PREF_OPERATIONS_PER_SNAPSHOT_DEFAULT = 100;
  public static final boolean PREF_APPLY_FILE_STATE_POLICY_DEFAULT = true;
  public static final long PREF_FILE_STATE_LONGEVITY_DEFAULT = 7 * 24 * 3600 * 1000L; // 7 days
  public static final long PREF_MAX_FILE_STATE_SIZE_DEFAULT = 1024 * 1024L; // 1 MB
  public static final int PREF_MAX_FILE_STATES_DEFAULT = 50;
  public static final long PREF_DELTA_EXPIRATION_DEFAULT = 30 * 24 * 3600 * 1000L; // 30 days

  public PreferenceInitializer() {
    super();
  }

  /* (non-Javadoc)
   * @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#initializeDefaultPreferences()
   */
  @Override
  public void initializeDefaultPreferences() {
    IEclipsePreferences node = DefaultScope.INSTANCE.getNode(ResourcesPlugin.PI_RESOURCES);
    // auto-refresh default
    node.putBoolean(ResourcesPlugin.PREF_AUTO_REFRESH, PREF_AUTO_REFRESH_DEFAULT);
    node.putBoolean(
        ResourcesPlugin.PREF_LIGHTWEIGHT_AUTO_REFRESH, PREF_LIGHTWEIGHT_AUTO_REFRESH_DEFAULT);

    // linked resources default
    node.putBoolean(ResourcesPlugin.PREF_DISABLE_LINKING, PREF_DISABLE_LINKING_DEFAULT);

    // build manager defaults
    node.putBoolean(ResourcesPlugin.PREF_AUTO_BUILDING, PREF_AUTO_BUILDING_DEFAULT);
    node.put(ResourcesPlugin.PREF_BUILD_ORDER, PREF_BUILD_ORDER_DEFAULT);
    node.putInt(ResourcesPlugin.PREF_MAX_BUILD_ITERATIONS, PREF_MAX_BUILD_ITERATIONS_DEFAULT);
    node.putBoolean(ResourcesPlugin.PREF_DEFAULT_BUILD_ORDER, PREF_DEFAULT_BUILD_ORDER_DEFAULT);

    // history store defaults
    node.putBoolean(
        ResourcesPlugin.PREF_APPLY_FILE_STATE_POLICY, PREF_APPLY_FILE_STATE_POLICY_DEFAULT);
    node.putLong(ResourcesPlugin.PREF_FILE_STATE_LONGEVITY, PREF_FILE_STATE_LONGEVITY_DEFAULT);
    node.putLong(ResourcesPlugin.PREF_MAX_FILE_STATE_SIZE, PREF_MAX_FILE_STATE_SIZE_DEFAULT);
    node.putInt(ResourcesPlugin.PREF_MAX_FILE_STATES, PREF_MAX_FILE_STATES_DEFAULT);

    // save manager defaults
    node.putLong(ResourcesPlugin.PREF_SNAPSHOT_INTERVAL, PREF_SNAPSHOT_INTERVAL_DEFAULT);
    node.putInt(PREF_OPERATIONS_PER_SNAPSHOT, PREF_OPERATIONS_PER_SNAPSHOT_DEFAULT);
    node.putLong(PREF_DELTA_EXPIRATION, PREF_DELTA_EXPIRATION_DEFAULT);

    // encoding defaults
    node.put(ResourcesPlugin.PREF_ENCODING, PREF_ENCODING_DEFAULT);
  }
}
